3M E-A-R Pistons NRR 29 corded earplugs soft foam tips conform to the unique shape of each ear canal to create a comfortable noise-blocking seal. Since there is no need to roll these earplugs down before use, fitting is easy and the foam tips stay clean, even when your hands are dirty. Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M. The stem is stiff enough for insertion, yet designed to flex sideways if impacted, and the metallic-style earplug tips with ultra-soft feel provide all day wear. 100 pairs per dispenser. Cord Type :Vinyl. Noise reduction rating: 29 Decibels